Find values of A, B, C AND R x^3 - x^2 -x +12 = (x+2)(Ax^2 + Bx + C) + R thanks
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Originally Posted by gracey Find values of A, B, C AND R x^3 - x^2 -x +12 = (x+2)(Ax^2 + Bx + C) + R thanks divide LHS by (x+2) you get: = and a simultaneous equation for r: R=2 So: A=1, B=-3, C=5 and R=2.
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